The combination of subsoil and the incorporation of corn stover affect physicochemical properties of soil and corn yield in semi-arid China

被引：16

作者：

Bai, Wei ^{[1
,2
]}

Sun, Zhanxiang ^{[2
]}

Zheng, Jiaming ^{[2
]}

Liu, Yang ^{[2
]}

Hou, Zhiyan ^{[2
]}

Feng, Liangshan ^{[2
]}

Qian, Cai ^{[2
]}

Yang, Ning ^{[2
]}

Chen, Feng ^{[2
]}

Zhe, Zhang ^{[2
]}

机构：

[1] Shenyang Agr Univ, Coll Land & Environm, Shenyang, Liaoning, Peoples R China

[2] Liaoning Acad Agr Sci, Engn Res Ctr Dryland & Water Efficient Farming Li, Tillage & Cultivat Res Inst, Shenyang, Liaoning, Peoples R China

来源：

TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY | 2016年 / 98卷 / 5-6期

关键词：

Subsoil; corn stover; soil; corn yield; PHYSICAL-PROPERTIES; NO-TILLAGE; FIELD; ROOT;

D O I：

10.1080/02772248.2015.1133379

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The main objective of this study was to investigate the effects of combining subsoil and incorporation of corn stover on soil profile, soil physicochemical properties, and corn yield. A five-year field trial was conducted that consisted of two treatments arranged in a completely random design and replicated three times. Two soil management operations were tested: subsoil + corn stover incorporation (plow construction [PC] treatment) and conventional rotary tillage (control check [CK] treatment). Compared with rotary tillage, it was found that combining subsoil and corn stover incorporation significantly affected corn grain yield in all seasons. Further, combining subsoil and corn stover incorporation significantly increased the thickness of the plow layer, quantity of plow layer soil, thickness of the plow pan and soil bulk density, as well as soil organic matter, available nitrogen, available phosphorus, and available potassium. Evidence indicates that reconstructing the soil plow layer through combination of subsoil and corn stover incorporation improved soil structure, nutrient content, and corn yield. It is of interest that farmers are now applying subsoil and returning crop straw instead of solely relying on rotary tillage.

引用

页码：561 / 570

页数：10

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